महाभारतः mahābhārataḥ - book-1, chapter-90, verse-51

भीष्मः खलु पितुः प्रियचिकीर्षया सत्यवतीमुदवहन्मातरम् ।
यामाहुर्गन्धकालीति ॥५१॥

51. bhīṣmaḥ khalu pituḥ priyacikīrṣayā satyavatīmudavahanmātaram ,
yāmāhurgandhakālīti.

51. bhīṣmaḥ khalu pituḥ priyacikīrṣayā satyavatīm
udavahat mātaram yām āhuḥ gandhakālī iti

51. Indeed, Bhīṣma, desiring to please his father, married Satyavatī, his stepmother, whom they call Gandhakālī.

Words meanings summery:

• भीष्मः (bhīṣmaḥ) - Bhīṣma (proper name) (Bhīṣma (name), terrible, dreadful)

• खलु (khalu) - indeed (indeed, surely, certainly)

• पितुः (pituḥ) - of his father (Śaṃtanu) (of the father, from the father)

• प्रियचिकीर्षया (priyacikīrṣayā) - with the desire to please

• सत्यवतीम् (satyavatīm) - Satyavatī (name)

• उदवहत् (udavahat) - married (carried away, married)

• मातरम् (mātaram) - stepmother (as per the narrative, Satyavatī became Bhīṣma's stepmother) (mother)

• याम् (yām) - whom (referring to Satyavatī) (whom, which)

• आहुः (āhuḥ) - they call (they say, they call)

• गन्धकाली (gandhakālī) - Gandhakālī (name)

• इति (iti) - thus, as (indicating a name or a quote) (thus, so, in this manner, an indicator of quotation)

Words meanings and morphology

भीष्मः (bhīṣmaḥ) - Bhīṣma (proper name) (Bhīṣma (name), terrible, dreadful)

(proper noun)

Nominative, masculine, singular of bhīṣma

bhīṣma - terrible, dreadful, formidable; name of a Mahabharata character

खलु (khalu) - indeed (indeed, surely, certainly)

(indeclinable)

पितुः (pituḥ) - of his father (Śaṃtanu) (of the father, from the father)

(noun)

Genitive, masculine, singular of pitṛ

pitṛ - father

प्रियचिकीर्षया (priyacikīrṣayā) - with the desire to please

(noun)

Instrumental, feminine, singular of priyacikīrṣā

priyacikīrṣā - desire to please or benefit

Compound type : tatpurusha (priya+cikīrṣā)

• priya – dear, beloved, pleasing
  adjective (masculine)
• cikīrṣā – desire to do, desire to make, intention
  noun (feminine)
  Desiderative nominalization
  derived from desiderative of √kṛ (to do, make)
  Root: kṛ (class 8)

सत्यवतीम् (satyavatīm) - Satyavatī (name)

(proper noun)

Accusative, feminine, singular of satyavatī

satyavatī - name of a queen, wife of Śaṃtanu and mother of Vyāsa

उदवहत् (udavahat) - married (carried away, married)

(verb)

3rd person , singular, active, imperfect (laṅ) of vah

Root verb 'vah' with prefix 'ud'

Prefix: ud

Root: vah (class 1)

Note: imperfect tense, meaning 'he married'

मातरम् (mātaram) - stepmother (as per the narrative, Satyavatī became Bhīṣma's stepmother) (mother)

(noun)

Accusative, feminine, singular of mātṛ

mātṛ - mother

Note: Contextually refers to 'stepmother' since she is marrying his father.

याम् (yām) - whom (referring to Satyavatī) (whom, which)

(pronoun)

Accusative, feminine, singular of yad

yad - who, which, what

आहुः (āhuḥ) - they call (they say, they call)

(verb)

3rd person , plural, active, perfect (lit) of ah

Root: ah (class 2)

Note: archaic perfect form

गन्धकाली (gandhakālī) - Gandhakālī (name)

(proper noun)

Nominative, feminine, singular of gandhakālī

gandhakālī - name of Satyavatī, literally 'black one with scent'

Compound type : bahuvrihi (gandha+kālī)

• gandha – smell, perfume, scent
  noun (masculine)
• kālī – black, dark; name of a goddess or a dark woman
  adjective (feminine)
  feminine form of 'kāla'

इति (iti) - thus, as (indicating a name or a quote) (thus, so, in this manner, an indicator of quotation)

(indeclinable)